Emergency Services Workshop, 21th-24th of October, Vienna, Austria Page 1

IP-Based Emergency Applications and Services for Next Generation Networks

PEACEProf. Tasos Dagiuklas*

Dept. of Telecommunication Systems and Networks

TEI of Mesolonghi

Nafpaktos-Greece

*also Senior Research Associate

Dept. of Electrical and Computer Engineering

University of Patras

Patras-Greece

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General Information

Project within the Joint FP7 ICT-Security Call

It was started on September 2008

Duration: 27 Months

Web Site: www.ict-peace.eu

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Consortium

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PEACE – Objectives (1)

Technical level– Specify and develop a framework for enhancing IMS with secure

emergency services – Provide a general solution for secure communications in

extreme emergency situations based on the IMS framework.

– Integrate the PEACE framework with autonomic networking

infrastructure in a secure and reliable manner in case of network collapse . In its normal mode of operation, PEACE nodes will act as an info-station based network, providing Peer-to-Peer (P2P) VoIP and video communications, as well as location aware services such as communicating weather, driving and traffic conditions, targeted infomercials delivery, real-time monitoring and road safety .

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PEACE – Objectives (2)

Deployment/ business level– Evaluate the implications on the current emergency models of

the PEACE concept, determine business plans for upgradeability / replacement and provide roadmaps for evolution.

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PEACE - Challenges

NGN/IMS Ad-hoc networks

Joint evaluation of the requirements

Daily Emergency Applications Extreme Emergency Applications

Concept Level

PSAP Implementation Secure Multimedia and P2P

Implementation Level

Integration

Deployment and Evaluation Level

Planning and deployment

System Evaluation

Functionality/Protocols Extensions Architectures

Emergency

Risk

Management

And

Coordination

System

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Daily versus Extreme Emergency Services

Extreme Emergency Services– When

• Network Collapse (e.g. Massive Fire, Flooding, Terrorist Attack)– It is used by

• Rescue Workers• Civil Protection Agencies• Fire brigade vehicles• Ambulance vehicles

Daily Emergency Service– When

• Alert by people using All-IP Networking infrastructures– It is used by

• Police• Fire-brigade

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Technology Enablers

Daily Emergency Services– IMS Infrastructure– Application Servers– All-IP Networking Infrastructure– Security

Extreme Emergency Services– Ad-hoc networks– P2P Overlays– P2P Multimedia Streaming– Security

Emergency Risk Management and Coordination System– Handling Emergency Requests– Decisions Support System

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Some Trends

Provide answer to the growing demand for emergency services in Next Generation (All-IP) Network– Solution

• Use applications platform in order to handle and manage emergency service• Enhance the end-users clients to support this kind of vital services• Support reliability (against failures and network break down ) and security

(against attacks and abuse)

Provide answer to the need for emergency services in case of networks’ collapse– Solution

• Exploit the use of ad-hoc network to provide applications and services in emergency situations

• Investigate how the end-users can support emergency services in this kind of networking paradigm

• Support resilience and security by applying autonomic networking techniques

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State of the Art

IP Multimedia Subsystem (IMS) has been standardised by both 3GPP and ETSI TISPAN as the subsystem to manage applications and services at both fixed and wireless access part

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IP Multimedia Subsystems and Trends

How we can provide emergency services in IMS

How will provide emergency services in case of network collapse

Solution– To modify the IMS architecture for the support of

emergency applications by developing the necessary components that provide, user location, public safety answering point, interfaces with PSTN, interfaces with other VoIP standards, failover techniques, overload handling, scalability, resistance to attacks and abuse

– Use ad-hoc networks for the provisioning of extreme emergency applications in case of network collapse by investigating self-configuration and management if there is no support from infrastructure, self protection against attacks

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Ad-hoc Networks

Study their availability/reliability by taking into account impairments at physical layer

Employ key management schemes to enforce security

Secure mechanisms at the routing level

Build trust establishments among different overlays

Apply security mechanisms on P2PSIP

Study P2P Video Communications over ad-hoc networks

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PEACE Solution

Daily Emergency Situations

Extreme Emergency Services

NGN infrastructure (IP network)

IMS Service Platform

Applications and services (e.g. VoIP)

Reliability & Securityon

Signalling integration

Integration with PSAPs

QoS control

Integration with fixed networks

Ad-hoc solutions

P2P Services

Emergency Risk Management

And

Coordination System

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PEACE Framework

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Daily Emergency Service Requirements (1)

Unauthenticated emergency calls– Balancing between misuse and mistakes vs. real need

• PSAP workload– Service provider is not necessarily IP-connectivity provider (WiMAX, Wi-Fi, fixed)

• VoIP emergency call over internet without ISP subscription?• VoIP emergency call over cellular without cellular subscription?• IMS emergency call over cellular without cellular subscription?

Emergency callback– “just a normal call towards the user”

Local emergency numbers– Number distribution– multiple numbering scheme for different emergency services

Location of emergency calls– Routing to the PSAP responsible for users area– Dispatching the emergency service to correct address– Provision of network level location information -> who is allowed to receive location information (free)?

Confidentiality– User anonymity?– User location privacy?

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Daily Emergency Service Requirements (2)

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Extreme Emergency Service Requirements

How to perform emergency calls when network collapses

– Distributed Architecture using Autonomic Networking

• Self Organizing, Reliability• Security

– Secure Communications over the ad-hoc nodes– P2P Overlay over Ad-hoc networks– VoIP and Video communications over Autonomous Networks

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The Implementation – Functional Blocks

PSAP in IMSNGN and IMS

IMS Development

Integration and trialsIntegration and trials

Emergency in IMS

Reliability in NGN/IMS

Secure ComAutonomous

Communications

Ad-Hoc Development

P2P over Ad-Hoc Multimedia overAd-Hoc Networks

Emergency

Risk

Management

And

Coordination

System

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Questions

Email: ntan@teimes.gr, ntan@ece.upatras.gr